72420320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64661}}^1$

素因数の和:64683

約数の個数: 48

約数和(自身を含む): 195537888

約数和(自身を除く): 123117568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 64661, 129322, 258644, 323305, 452627, 517288, 646610, 905254, 1034576, 1293220, 1810508, 2069152, 2263135, 2586440, 3621016, 4526270, 5172880, 7242032, 9052540, 10345760, 14484064, 18105080, 36210160, 72420320]

約数ペア:

[(1, 72420320), (2, 36210160), (4, 18105080), (5, 14484064), (7, 10345760), (8, 9052540), (10, 7242032), (14, 5172880), (16, 4526270), (20, 3621016), (28, 2586440), (32, 2263135), (35, 2069152), (40, 1810508), (56, 1293220), (70, 1034576), (80, 905254), (112, 646610), (140, 517288), (160, 452627), (224, 323305), (280, 258644), (560, 129322), (1120, 64661)]